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1242141234313 = 7177448747759
BaseRepresentation
bin10010000100110101011…
…000110001010010001001
311101202011221212121202111
4102010311120301102021
5130322401123444223
62350344245302321
7155512263166330
oct22046530612211
94352157777674
101242141234313
11439875387171
1218089a7049a1
1390197164705
1444197236d17
152249e68230d
hex12135631489

1242141234313 has 4 divisors (see below), whose sum is σ = 1419589982080. Its totient is φ = 1064692486548.

The previous prime is 1242141234211. The next prime is 1242141234337. The reversal of 1242141234313 is 3134321412421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1242141234313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242141234343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88724373873 + ... + 88724373886.

It is an arithmetic number, because the mean of its divisors is an integer number (354897495520).

Almost surely, 21242141234313 is an apocalyptic number.

It is an amenable number.

1242141234313 is a deficient number, since it is larger than the sum of its proper divisors (177448747767).

1242141234313 is an equidigital number, since it uses as much as digits as its factorization.

1242141234313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177448747766.

The product of its digits is 13824, while the sum is 31.

Adding to 1242141234313 its reverse (3134321412421), we get a palindrome (4376462646734).

The spelling of 1242141234313 in words is "one trillion, two hundred forty-two billion, one hundred forty-one million, two hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 7 177448747759 1242141234313